Selena Gomez is known for her youthful, yet sexy style. But one of her recent getups has fashionistas wondering if she lost her mind -- or is just trying to bring the 90s back.

The 21-year-old singer visited “The David Letterman Show” in New York City last week where she embraced this season’s crop top trend and paired it with a high-waisted skirt.

The very sexy and tasteful look was complimented with gold-embellished pumps and a high fishtail braid held up by everyone’s favorite throwback hair accessory – a black scrunchie.

The high hair and scrunchie brought back memories of pretty much every “Full House” episode – Stephanie Tanner anyone?

The “Come And Get It” singer didn’t take all the credit for the hairdo. She gave full props on Instagram to Marissa Marino, who also posted a photo.

While Gomez’s use of the dated accessory is questionable, many said it actually worked with her sexy and youthful look. Bottom line: Most said she looked fabulous sporting the 90s throwback.

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